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Diffstat (limited to 'v4l2-apps/libv4l/libv4lconvert/flip.c')
-rw-r--r--v4l2-apps/libv4l/libv4lconvert/flip.c51
1 files changed, 43 insertions, 8 deletions
diff --git a/v4l2-apps/libv4l/libv4lconvert/flip.c b/v4l2-apps/libv4l/libv4lconvert/flip.c
index cd3468a89..f47afde72 100644
--- a/v4l2-apps/libv4l/libv4lconvert/flip.c
+++ b/v4l2-apps/libv4l/libv4lconvert/flip.c
@@ -22,8 +22,8 @@
#include "libv4lconvert-priv.h"
-void v4lconvert_rotate180_rgbbgr24(const unsigned char *src, unsigned char *dst,
- int width, int height)
+static void v4lconvert_rotate180_rgbbgr24(const unsigned char *src,
+ unsigned char *dst, int width, int height)
{
int i;
@@ -38,8 +38,8 @@ void v4lconvert_rotate180_rgbbgr24(const unsigned char *src, unsigned char *dst,
}
}
-void v4lconvert_rotate180_yuv420(const unsigned char *src, unsigned char *dst,
- int width, int height)
+static void v4lconvert_rotate180_yuv420(const unsigned char *src,
+ unsigned char *dst, int width, int height)
{
int i;
@@ -59,8 +59,8 @@ void v4lconvert_rotate180_yuv420(const unsigned char *src, unsigned char *dst,
*dst++ = *src--;
}
-void v4lconvert_rotate90_rgbbgr24(const unsigned char *src, unsigned char *dst,
- int destwidth, int destheight)
+static void v4lconvert_rotate90_rgbbgr24(const unsigned char *src,
+ unsigned char *dst, int destwidth, int destheight)
{
int x, y;
#define srcwidth destheight
@@ -75,8 +75,8 @@ void v4lconvert_rotate90_rgbbgr24(const unsigned char *src, unsigned char *dst,
}
}
-void v4lconvert_rotate90_yuv420(const unsigned char *src, unsigned char *dst,
- int destwidth, int destheight)
+static void v4lconvert_rotate90_yuv420(const unsigned char *src,
+ unsigned char *dst, int destwidth, int destheight)
{
int x, y;
@@ -105,3 +105,38 @@ void v4lconvert_rotate90_yuv420(const unsigned char *src, unsigned char *dst,
*dst++ = src[offset];
}
}
+
+void v4lconvert_rotate(unsigned char *src, unsigned char *dest,
+ int width, int height, unsigned int pix_fmt, int rotate)
+{
+ switch (rotate) {
+ case 0:
+ break;
+ case 90:
+ switch (pix_fmt) {
+ case V4L2_PIX_FMT_RGB24:
+ case V4L2_PIX_FMT_BGR24:
+ v4lconvert_rotate90_rgbbgr24(src, dest, width, height);
+ break;
+ case V4L2_PIX_FMT_YUV420:
+ case V4L2_PIX_FMT_YVU420:
+ v4lconvert_rotate90_yuv420(src, dest, width, height);
+ break;
+ }
+ break;
+ case 180:
+ switch (pix_fmt) {
+ case V4L2_PIX_FMT_RGB24:
+ case V4L2_PIX_FMT_BGR24:
+ v4lconvert_rotate180_rgbbgr24(src, dest, width, height);
+ break;
+ case V4L2_PIX_FMT_YUV420:
+ case V4L2_PIX_FMT_YVU420:
+ v4lconvert_rotate180_yuv420(src, dest, width, height);
+ break;
+ }
+ break;
+ default:
+ printf("FIXME add %d degrees rotation\n", rotate);
+ }
+}